
body{ 
  width:1400px;
     margin: 0 auto;
background:url(登录背景.jpg); 
background-repeat:no-repeat;
background-position:center;
}
.content{
     width:1400px;
     margin: 0 auto;
}
.usernames{
    display: inline-block;
    margin-top: 350px;
    margin-left: 350px;
}
.passwords{
    display: inline-flex;
   background: white;
    margin-left: 400px;
    width:600px;
    height:60px;
     filter:alpha(Opacity=10);
    -moz-opacity:0.7;
    opacity: 0.7;
    border-radius: 15px; 
}

.username{
    font-size: 30px;
   width:600px;
   height:60;
   margin:50px;
 background-color: white;
 
    filter:alpha(Opacity=10);
    -moz-opacity:0.7;
    opacity: 0.7; 
      border :1px solid white;
    border-radius: 15px;
}
.password{
    font-size: 30px;
  
   width:600px;
   height:60px;
   
 background-color: white;
 
    filter:alpha(Opacity=10);
    -moz-opacity:0.7;
    opacity: 0.7; 
    border :1px solid white;
    border-radius: 15px;
    vertical-align: middle;
}
.ifview{
    width:30px;
    height:30px;
    margin-right: 20px;
    margin-top: 20px;
    
}

.login{
    font-size: 30px;
    width:200px;
    height:60px;
    background-color: white;
    filter:alpha(Opacity=10);
    -moz-opacity:0.7;
    opacity: 0.7; 
    margin-left:600px;
    margin-top: 50px;
   text-align: center;
   border-radius:15px;

}
.ifregister{
    font-size: 30px;
    width :200px;
    height:50px;
    text-align: center;
    margin-top: 30px;
    margin-left:620px;
      margin-bottom: 30px;

}
.amazing{
     width:30px;
    height:30px;
  vertical-align: middle;
  margin-left: 10px;
}
b{
    color:#383838;
    font-size: 30px;
 
    margin-left:300px;
}